PHPStorm / Webstorm, how to open a file with the associated program

Question

I am a new user of Webstorm/PHPStorm. Before this IDE, I used Netbeans. To open a .xds file, that is a kind of text file that you can open it just like a .js file and edit i

Answer 1

Use Files opened in associated applications in File | Settings | File Types:

Answer 2

AFAIK there is no such action available in current versions.

Two options:

1. Assign such extension / pattern to File opened in associated applications in Settings | Editor | File Types. Cons: you will not be able to open such file in IDE itself.

2. Create custom External Tool entry (Settings | Tools | External Tools) that will launch such file with default application in your OS. For Windows it can be:

Program: cmd.exe
Parameters: /C start "$FilePath$"